North Atlantic Treaty Organization vs Portuguese Republic

North Atlantic Treaty Organization and Portuguese Republic both are nouns.

Word	Noun	Adjective	Verb	Adverb
North Atlantic Treaty Organization	Yes	No	No	No
Portuguese Republic	Yes	No	No	No

North Atlantic Treaty Organization (noun)	Portuguese Republic (noun)
an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security	a republic in southwestern Europe on the Iberian Peninsula; Portuguese explorers and colonists in the 15th and 16th centuries created a vast overseas empire (including Brazil)